<template>
	<div>
		<nav-bar>
			<div slot="left" class="back" @click="backClick">
				<img src="~assets/img/common/back.svg" >
			</div>
			<div class="title" slot="center">
				<div 
					 v-for="(item,index) in titles"
					 class="title-item"
					 :class="{active: index==currentIndex}"
					 @click="titleClick(index)">
					{{item}}
				</div>
			</div>
		</nav-bar>
	</div>
</template>

<script>
	import NavBar from 'components/common/navbar/Navbar.vue'
	
	export default {
		name:'DetailNavBar',
		components:{
			NavBar
		},
		data() {
			return {
				titles:['商品','参数','评论','推荐'],
				currentIndex:0
			}
		},
		methods:{
			titleClick(index){
				this.currentIndex = index
			},
			backClick(){
				this.$router.back()
			}
		}
	}
</script>

<style scoped="scoped">
	.title {
		display: flex;
		font-size: 13px;
	}
	.title-item{
		flex: 1;
	}
	.active {
		color: var(--color-high-text);
	}
	.back img{
		margin-top: 12px;
	}
</style>
